Cream-cooler.



J. E. WRAGE & H. D. DUNN.

'Patented .1160. 5, 1911.

Wl TNESSES:

T E. AND HARRYD. DUNN, 0F ARLINGTON, WASHINGTON.

CREAM-COOLER.

Specification of Letters Patent.

Patented Dec. 5, 1911 Application lcd August E, 1911.` Serial No. 642,538. i

tion of the structure and uses of the inven-- tion.

The invention consists in the novel construction, and adaptation of a water-cooled pan for receiving the cream in combination with devices for the economical use of water brought in contact with said pan to absorb the heat therefrom.

In the accompanying drawings, Figure `1 is a plan View, partly broken away to disclose the interior, of a cream cooler embodying our invention. Fig. 2 is a vertical longitudinal sectional View of the same. Fig..

3 is a fragmentary cross sectional view of the invent-ion. g

The reference numeral 1 designates a pan of sheet metal of rectangular forni at its upper end and at its lower or discharge end formed with converging edges 2. Depend' ing side and-end walls 3 are extended upwardly beyond the plane of said pan to at'- ford a peripheral raised rim i thereabput excepting at the .discharge point 5 intermediate the said converging edges. A botioin plate 6 may be provided' and secured to said side and end walt' for `the purpose hereinafter explained. The a 1 is formed with a plurality of longitucinally 'disposed ribs 7 extending from one endof the pan to the other excepting that those in proximity of the said converging edges terminate within a short distance thereof to allow a passageway 8 -for the flow of the cream to the discharge. Between the un`- derside of said pan and said bottom plate G is a transversely corrugated sheet metal plate extending the full length of the pan inclosing a water-compartment 9. Said plate is secured at its side edges to said .de-

pending side walls 3 makingawateraight, joint therewith and is formed with -the apexes of the upwardly extending V-shaped ridges 10 spaced apart from the underside of said pan to aiiord passages 11 therebetween. Said apexes may be secured to the pan at intervals by pins 12. Each of said upwardly extending ridges are separated by a horizontally disposed portion 13. One of said ridges 10 in proximity of the lower end of the cooler is provided withwater inlet devices. A plate 14 is secured, as by soldering across the inverted V-sha ed opening upon the underside of said r ge to make a water-ti ht chamber 15 having communication wit said water-compartment through a plurality of holes 16 in the lower inclined face of said ridge. 17 del notes a nipple secured centrally of said plate 14 and through the bottom 6 to afford external communication with said compartment 15. The portion protruding exteriorly of said bottom is provided with annular ridges 1S to receive and retain the end of a flexible Vhose (not shown) communicating with a suitable source of water supply. At the opposite or upper end of the cooler outlet devices are provided comprising'a plate 19 analogous to the .plate 14. A nipple 20 affords a discharge means for fluid withintheavater compartment and is arranged for connection with a flexible hose (not shown) leading to a point of discharge.

The numeral 21 denotes a transverse distributing trough for receiving the cream from the separator and evenly distributing the sameA upon .the cooling pan. It is provided with. closed ends having rectangular bases 22 which rest upon the surface of the pan. AThe trough is provided with openings 23 spaced to' overlie the respective flat surfaces 24 between said ribs 7.

In operation, the-trough 21 is positioned upon t ie upperv end of thc pan to cause the cream as-it runs from the parator to flow therein and whe-nce it is disiributed through thel openings 23 .over the full width of the cooling pan. As stated, one of said openings islocated between each of said ribs 7 andthe surfaces 24 therebetween are dat transversely to cause the cream to spread evenly in thin sheets as it fiows toward the discharge end.A Said discharge end is slightly lower than the upper or feeding end inits passage over the length of the pan.

A cream shipping can `may desirably be pl'aced under the discharge end 5 of the cooler to receive the cooled cream in shipping condition` n Each ofthe protruding nipples 17 and 2O are attached to a source of water supply andA a discharge receptacle, respectively, by sections offlexible hose to facilitate the convenient removal of the cooler, as' for cleaning, and forproper inclined adjustment of the respective ends to eifect the desired rate of tlow of the cream. The water flows through the nipple 17 into the chamber 15 whence it is distributed through the holes 16 to flow into the compartment 9. It is desirable that the water low evenly across the en tire breadth of the pan, hence more holes for the admissionof water into said compartment are provided in proximity to the lateral edges of the cooler than in the immediate vicinity of the centrally disposed inlet 17. The water, as it flows into the cooler, is under a' head of pressure sufficient to cause the same to flow slowly through the channels therefor. It first fills the lower end of the compartment subjacent to the '-discharge end 5 of the pan completely lilling vthe compartment, whence it flows 'through the successive passages 11 toward the outlet 20. The water thus comes in direct contact with the underside of the pan 1 absorbing heat from the cream flowing in an opposite direction upon the upper side thereof. The iow of water through the several contracted passages l11 thence into the relatively broad spaces therebetween divides the l,

current into a multitude of minor currents and eddies that prevent the accumulation cfa constant film of warmer water moving in a body along thefunderside of the pan and facilitates the extraction of heat from said pan by the continual intermingling of the water contacting thereagainst.

The ofces of ,the bottom plate 6 is to protect the walls of the water-compartment 9 frominjury and to afford a smooth surface upon which the cooler may be rested.

The device is light in weight, convenient to handle, may be readily cleaned and is economical in use of water. It will thoroughly cool large quantitiesof creamA in an eiiicient manner and can be built and sold at,

V ment, a water supply communicating with 'said chamber, and a water discharge 'at the opposite end of the compartment.

2. In a cream cooler, an inclined water compartment having plane vupper and side walls, its bottom wall. formed with a plurality of Vshaped transverse corrugations with upwardly directed apexes extending in proximity of said upper wall, the several said corrugations being separated by a plane surface, a chamber having communication with said compartment, a water supply communicating with said chamber, and a water discharge at the opposite end of the compartment.

3. In a cream cooler, an inclined water compartment having plane upper and side walls, its bottom wall formed with a plurality ofV-shaped transverse corrugations with upwardly directed apexes extending in proximity of said upper wall, the several said corrugations being separated by a plane surface, a plate secured across the underside of one of said V-shaped corrugations alording a chamber having communication with said compartment, a water supply communieating with said chamber, and a water discharge at the opposite end of the compartment.

4. In a cream cooler, an inclined water compartment having plane upper and side walls, its bottom wall formed with a plurality of V-shaped transverse corrugations with upwardly directed apexes extending in proximity of said upper wall, the several said corrugations being separated by a plane surface, a plate secured across the underside of one of said V-shaped corrugations aording an inverted V-shaped chamber having communication with said compartment, a water supply communicating with said chamber, and a water discharge at the opposite end of the compartment.

5. In a cream cooler, an inclined water compartment having plane upper and side walls, its bottom wall formed with a plurality of Vshaped transverse corrugations with upwardly directed apexes extending in proximity of said upper wall, the several Said corrugations being separated by a plane surface, a plate secured across the underside of one of said V-shaped corrugations affording an inverted V-shaped chamber having communication with said compartment in proximity of the lower end of the latter, a water supply communicating with said chamber, and a water' discharge at the opposite end of the compartment.

G. In a cream cooler, an inclined water compartment having plane upper and side walls, its bottom wall formed with a plu` rality of V-shaped transverse corrugations with upwardly directed apexes extending in proximity of said upper wall, the several said corrugations being separated by a plane surface, a chamber having communication with said compartment in proximity of the lower end of the latter, a water supply compartment.

7. In a cream cooler, an inclined water compartment having plane lupper and .side walls, its bottom wall-formed with a plurality vof V-shaped t'ausverse corrugations with upwardly directed apexes extending in proximity of said `upper wall, a plate se- -cured across the underside of oneof said V-shaped corrugations atiording an inverted V -shaped chamber having communication with said compartment-in proximity of .the lower end of the latter, a watei' supply coni.-

muiiicating withfsaid"chamber, and a water.

discharge at` the opposite end of the compartiiieiit. f

8. In a cream cooler, an inclined water compartment having plane upperand side walls, its bottom wall formed with a plurality of V-shaped 'transverse corrugatioiis with upwardly directed apexes extending in proximity of said upper wall, an inverted V-sliaped chamber having communication withsaid compartment. a water supply oinmunicating with said chamber, and a water discharge at the opposite end of the .coinpartment.

9. ln a cream cooler. an inclined water compartment having plane upper andside walls. its bottom wall formed with 'a plurality of V-sliaped-transverse corrugations with upward-l)1 directed apexes extending iii proximity of said upper wall. a chamber` haring connuunicat-ion with said'conipart ment in proximity of the lower ei'id ot' the latter, a water supply communicating with said cha-ailier. and a' water discharge at the opposite end of the compartment.

10. ln a cream cooler. the combination with an inclined panharing longitudinal ridges vwith transversely level surfaces between said ridges` of a water compartment tlicrebelow lia-ving coiiuccted iiillow and out- Ilet pipes at the respective ends thereof and the. channel between saidl pipescontaining a succession ot' angular ridges coming in close contact with the-iiiiderside of said panl and forming contracted passages for the flow of water with.relativelyextended spaces between said ridges. I

1l. In a cream cooler. the combination with anv inclined 'pan having a pluralit of longitui'liiial ridges with transversely level surfaces between said ridges. of a water compartment below said pan formed with transversely arranged corrugations therein.

theap'exes of the upwardly directed corra# gations extendin within close. proximity of the underside o the 'pan and aording a 60 .series of contracted channels from one end of the compartment to the other, a waterinlet, 'and a water-outlet. j

12. In a .cream cooler,` the combination with an inclined pan having a pluralityof l6'5 longitudinalridges with transversely level surfaces between said ridges, of a water.

'compartment below said pan formed -with transversely arranged coriugations therein,

the. apexes of the upwardly directed'co'rru- '7 gations extending within close proximity of A'the underside of the pan -and affording a series of contracted channels from .onel end of the compartment t0 the other, a waterinlet a-t the lower end of said compartment,

and a water-outlet at the opposite end. i

13. In a cream c'ooler, the combinatio'n with an inclined pan having a pluraltij,y o'f longitudinal ridges with transversely levelf1 surfaces between said ridges, and a dil'stilibutiii'g, trough upon the upper end-of said pan having cream distributing holes emptying in each of said intermediate surfaces', of a water compartment below said pan [oi-med with transversely arranged corrugations therein, the apexes of the upwardly directed corrugations extending within close prox- `init of the underside of the pan and af-` fording a seriesof contracted channels from one end of the compartment to the other, a

water-inlet. and a water-outlet'. A

14. In a"cre a'm cooler.' the combination with an-iiicliiied pan having a pluralityof longitudinal ridges with transversely evel surfaces between said ridges. and ,al distributing trough upon the upper end of said pan having cream distributing holcsiieiuptying in each of said intermediate `Miettaces, of a water-compartment below stdt pan formed with transversely arranged c `nrugal tions therein. the apexes of the upwardly directed corriigations extending within close proximity4v of the underside of the pan and ati'ordii'ig a series of contracted channels from one end of the compartment to the othei-fa water-inletat the lower end of said comparli'neiit, and afivaterfoutlet at the opposite end. I

JOHN 1 TR-AG il. HARRY l). DU NJ..

. 'itnesses: y

C. N. Amira, C. L. MARSH. 

